參數(shù)資料
型號: LA4450
廠商: Sanyo Electric Co.,Ltd.
元件分類: 音頻放大器
英文描述: Two Channel Power IC for Bus or Track Use in TV and Home Audio Applications
中文描述: 雙通道功率軌道客車或使用IC在電視和家用音響應(yīng)用
文件頁數(shù): 2/7頁
文件大?。?/td> 473K
代理商: LA4450
Operating Characteristics
at Ta = 25°C, V
CC
= 26.4 V, R
L
= 8
, f = 1 kHz, Rg = 600
No. 4090-2/7
LA4450
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Standby current
Ist
Standby switch off
1
30
μA
Quiescent current
I
CCO
P
O1
P
O2
VG
Rg = 0
50
80
140
mA
Output power
THD = 10%
THD = 10%, R
L
= 4
V
O
= 0 dBm
P
O
= 1 W
Rg = 0, BPF-BW = 20 Hz to 20 kHz
10
12
W
20
W
Voltage gain
49
51
53
dB
Total harmonic distortion
THD
0.07
0.4
%
Output noise voltage
V
NO
SVRR
0.4
1.0
mV
Ripple exclusion ratio
Rg = 0, f
R
= 100 Hz, V
R
= 0 dBm
V
O
= 0 dBm, Rg = 10 k
With a 10 k
resistor connected at pin 12
45
55
dB
Channel separation
CHsep
45
55
dB
Standby control voltage
Vst
2.5
V
CC
V
Pd max – Ta
A
Ambient temperature, Ta – °C
θ
f
– S
f
H
θ
f
Heat sink surface area, S
f
– cm
2
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